radar return


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radar return

Dictionary of Military and Associated Terms. US Department of Defense 2005.
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If the target is closer, the projectile's radar return will become mixed with the reflected waves also produced from a target resulting in a failure to record.
Caption: LEFT: Note that the crash occurred outside of the heaviest radar return (rain) but likely encountered severe vertical currents.
Using the Doppler radar return of the moving targets, GMTI radar shows moving vehicles as dots overlaid on a digital map and can do this even in bad weather or complete darkness.
At the first stage of detection process, [[DELTA].sub.1] = {[absolute value of [[??].sub.m]] [greater than or equal to] T} denotes the event that the radar return of single range cell in the sum channel exceeds the detection threshold.
Lower frequencies have the advantage of the radar signal being able to reach farther due to less attenuation (weakening of radar return signal) by hydrometeors.
"We want to shoot against actual aircraft--aircraft that's the appropriate size, as well as giving us the appropriate radar return," Rivers said.
"Moreover, smaller aircraft such as home-builds and microlight-sized aircraft do not always generate a good radar return and sometimes they do not display on radar at all.
Therefore, the paper plans to adopt the nonlinear research method -- fuzzy fractal theory to analyze the characteristics of conventional radar return signals from aircraft targets, and on this basis puts forward a fuzzy-fractal-feature-based classification method so as to identify different types of aircraft targets in condition of no compensation for airframe echo components.
Modulations of the radar return from arms, legs, and even body sway are being investigated by researchers [3-5].
To get the range of a radar return, the operator would use a rotating knob to move the display until the echo was lined up under a vertical line etched in the center of the screen.